A novel measuring method for arbitrary optical vortex by three spiral spectra

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• 作者：Bo Ni^a ; Lana Guo^b ; Chengfeng Yue^a ; Zhilie Tang^a ; ^{tangzhl@scnu.edu.cn}
• 关键词：Spectrum analysis ; Non-integer vortices ; Quantum optic ; Spiral spectra
• 刊名：Physics Letters A
• 出版年：2017
• 出版时间：26 February 2017
• 年：2017
• 卷：381
• 期：8
• 页码：817-820
• 全文大小：374 K
• 卷排序：381

文摘

Different non-integer vortices cannot have three spiral spectra is demonstrated. Relationship between the non-integer topological charge and the spiral spectra is presented. Topological charge of non-integer vortices can be determined by three arbitrary spiral spectra.